Double-sided framework for the construction of concrete or like walls.



P. HBDRICH.

DOUBLE SIDED FRAMEWORK FOR THE GONSTRUOTION or GONGBETE p11 LIKE WALLS.

APPLIOAIION FILED MAY 31, 1910.

Patented Mar. 14, 1911.

[77 venfor Fel er Wizzzemer, 23

Jr no STATES FATE 1 nice.

PETER HEDRICH, 0F FRANKFORT-ON-THE-IVIAIN, GERMANY.

DOUBLE-SIDED FRAMEWORK FOR THE CONSTRUCTION OF CONCRETE 0R LIKE WALLS.

ceases.

Specification of Letters Patent.

Patented Mar. 14:, 1911.

Application filed May 31, 1910. Serial No. 564,295.

To all whom it may concern:

Be it known that I, PETER HEDRIGH, a subject of the German Emperor, and resident of Frankfort-on-the-Main, Germany, have invented a certain new and useful Improvement in Double-Sided Framework for the Construction of Concrete or Like l/Valls, of which the following is a specification.

This invention relates to a double sided framework for the construction of concrete or like walls in which the height or the molding boards is the same as that of a layer of the material so that the boards after the construction of a layer or portion of the wall must be raised by an amount equal to the height of such layer.

The feature of the invention resides in this that the rods carrying the framework or the supports are held at the lower and the upper ends by means of shoes and can be adjusted and tilted in these at right angles to the plane of the wall.

In use after the layer is rammed in and set and before the framework is moved into the next higher position it is turned about the axis parallel to the plane of the wall. The molding boards are thereby more easily loosened away from the wall than when they require to be separated therefrom by the sliding movement on raising them, damage to the freshly formed portion being thus avoided while the boards may be suitably cleaned and greased without removal from the standards and without the adjustment of the boards for the thickness of wall in question being altered. In addition, the framework on being swung out automatically rests on the rods so that special means for holding them are not necessary since the rods are pivoted about their lower axes whereas when the pivot is arranged at the upper end the boards on being swung out drop off unless prevented from doing so by suitable means. The framework can be easily cleaned and again greased in this position; it does not require to be removed from the rods for this purpose.

In the accompanying drawings which illustrate the invention Figure 1 is an elevation. Fig. 2 a section and Fig. 3 a portion of Fig. 2 to enlarged scale.

The framework standards consist of two telescopic rods al and 612 adapted to be clamped by screws 6 which rods are provided with notches z for attachment of rings Z used to hold brackets y. The brackets j support the molding boards. The rods are held in the supports f and a on the upper and lower ends by double shoes h and b,- the upper shoes 71. are formed with orifices 9 so that the rods may be adjusted at suitable distances apart according to the thicknesses of wall required.

The lower shoes are attached to the beam and pivotally support the standards. In order to construct the wall the two frameworks for the lowest part are supported on the support a and the wall formed between them: After setting of the concrete or the like the frame (Fig. 2) is turned about its lower axis at right angles to the plane of the wall and thereupon the molding boards are adjusted by means of rings Z and brackets j in the next higher position.

Having described my invention what I claim and desire to secure by Letters Patent of the United States is Double sided framework for making concrete and like walls comprising lower and upper shoes, standards pivotally mounted at their lower and upper ends in said shoes, notches in said standards, rings adapted to engage in said notches, brackets supported by said rings and boards supported by said brackets substantially as and for the purpose set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

PETER HEDRICH.

Witnesses:

WALTER ELTERN, JEAN GRUND.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). G. 

